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Writing Bragg Gratings in Multicore Fibers
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Ultrashort pulse propagation in multiple-grating fiber structures.

L R Chen, S D Benjamin, P W Smith

    Optics Letters
    |March 15, 1997
    PubMed
    Summary

    We developed a novel fiber structure that splits ultrashort optical pulses into multiple wavelengths and times. This technology enables advanced optical communication systems by creating tailored pulse trains for multiplexing and code-division multiple access.

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    Area of Science:

    • Optics and Photonics
    • Fiber Optics
    • Optical Communications

    Background:

    • Ultrashort broadband optical pulses are crucial for high-speed data transmission.
    • Current methods for pulse manipulation can be complex and limited in scope.

    Purpose of the Study:

    • To propose and demonstrate a novel multiple-grating fiber structure.
    • To achieve simultaneous decomposition of optical pulses in both wavelength and time domains.

    Main Methods:

    • Utilized a three-grating fiber structure.
    • Employed a transform-limited 1-picosecond Gaussian pulse centered at 1.55 μm as input.
    • Experimental validation against theoretical simulations.

    Main Results:

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    Last Updated: Jul 8, 2026

    Writing Bragg Gratings in Multicore Fibers
    08:48

    Writing Bragg Gratings in Multicore Fibers

    Published on: April 20, 2016

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

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  • Successfully generated three output pulses with distinct wavelengths and temporal separations.
  • Demonstrated good correlation between experimental outcomes and simulation predictions.
  • Validated the simultaneous wavelength and time decomposition capability.

    • Conclusions:

    • The proposed multiple-grating fiber structure effectively decomposes ultrashort broadband optical pulses.
    • This device offers potential applications in wavelength-division-multiplexed (WDM) systems.
    • It can be utilized for frequency-domain encoding in optical code-division multiple access (OCDMA) systems.